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Q: Do contour lines point upstream or downstream?
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Do contour lines crossings a small stream point up-stream or downstream?

Upstream


How do contour lines bend when crossing a stream?

Because we know that water cannot flow uphill, the flow must go from higher contours to lower ones.


What are the contour line rules?

- Contour lines never cross. All lines on a contour line represent one elevation.- The spacing of contour lines depends on slope characteristics. Contour lines that are close together show a steep slope. Contour lines that are far apart show a gentle slope.- Contour lines that cross a valley or a stream are V shaped. The C points toward the area of the highest elevation. If a stream or river flows through the valley, the V points upstream.-The tops of the hills, mountains, and depressions are shown by closed circles. Depressions are marked with short, straight lines inside the circle that point down slope to the depression.


Every point on a contour line is at a different elevation?

Every point on a given contour line is at the same elevation. Neighboring contour lines are at different elevations.


Can a contour line connect a point of 100 feet to a point with 110 feet?

No. Contour lines connect points of equal height.


What is the definition of a contour line?

- Contour lines never cross. All lines on a contour line represent one elevation.- The spacing of contour lines depends on slope characteristics. Contour lines that are close together show a steep slope. Contour lines that are far apart show a gentle slope.- Contour lines that cross a valley or a stream are V shaped. The C points toward the area of the highest elevation. If a stream or river flows through the valley, the V points upstream.-The tops of the hills, mountains, and depressions are shown by closed circles. Depressions are marked with short, straight lines inside the circle that point down slope to the depression.


How do you know if your going uphill or downhill by looking at a contour map?

contour lines all ways point up hill or up stream


If Tina swims 4 miles upstream at 1 mph and back downstream to the same point to the same point at 4 mph what is her average speed?

8 MPH


What do V-shaped contour lines indicate when the point downhill?

uphill


What do V-shaped contour lines indicate when the point uphill?

A valley


What is the distance between Contour lines?

It is inversely proportional to the gradient: the steeper the slope the closer the contour lines until there comes a point where the ground is so steep the lines merge into one.


Do Equal points of elevation on a topographic map are connected by contour lines?

A contour lines connects points of equal elevation.